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Finding the Fourth Proportional to 180,706.82, 271,060.84 and 45,770.85

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Solution

The fourth proportional to 180,706.82, 271,060.84 and 45,770.85 is: 68,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,706.82 : 271,060.84 = 45,770.85 : x
  2. Step 2: Convert to fraction form
    180,706.82/271,060.84 = 45,770.85/x
  3. Step 3: Cross multiply
    180,706.82x = 271,060.84 × 45,770.85
  4. Step 4: Simplify right side
    180,706.82x = 12,406,684,407.73
  5. Step 5: Solve for x
    x = 12,406,684,407.73/180,706.82
  6. Step 6: Final answer
    x = 68,656.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.